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The COMP Cams CS 283Tkb‑R6 camshaft targets 3/8–1/2 mile tacky tracks for 355–406 late‑model engines using 4‑barrel induction and is tuned to provide usable top‑end power. It’s offered for competitors seeking a balanced cam for midrange to top‑end performance when matched to quality heads. Important fitment note: 1955–57 SBCs with a rear‑journal oiling groove will not accept these part numbers—contact us for a grooved option.
COMP Cams Camshaft CS 283Tkb-R6
